Winter Storm — Shirley Basin, Wyoming

2025-03-05 to 2025-03-07 · Shirley Basin, Wyoming

Event narrative

Snowplow crew on State Highway 77 reported 6 inches of snow. Highway 77 was also closed due to dangerous driving conditions.

Wider weather episode

A stationary cold front and a potent Pacific trough resulted in the heaviest snowfall so far this winter across central and east central Wyoming. Snow started late March 5th and continued through noon on March 7th. Significant snow and some road closures were experienced during this storm with most of the major impacts north of Interstate 80.

Source: NOAA Storm Events Database, event_id 1232114. Narrative written by the NWS forecast office that issued the report.